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11·6
EMISSION
CONTROL
INFORMATION
PAIR (AIRSUPPLY) SYSTEM INSPECTION
HOSES
• Inspect the hoses for wear or damage.
• Inspect that the hoses and pipes are securely connected.
PAIR REED VALVE
• Remove the PAIR reed valve cover.
• Inspect the reed valve for the carbon deposit.
• If the carbon deposit is found in the reed valve, replace the
PAIR reed valve with a new one.
PAIR CONTROL VALVE
• Check that air flows through the PAIR control valve air inlet
port to the air outlet ports.
• If air does not flow out, replace the PAIR control valve with a
new one.
• Connect the vacuum pump gauge to the vacuum port of the
control valve as shown in the photograph.
• Apply negative pressure of the specification slowly to the con-
trol valve and inspect the air flow.
• If air does not flow to the pump, the control valve is in normal
condition.
• If the control valve does not properly function within the speci-
fication, replace the control valve with a new one.
_ Negative pressure range: More than 66.6 kPa
(491 mmHg)
S 09917-47010: Vacuum pump gauge
ICAUTION I
Use a hand operated vacuum pump to prevent the
control valve damage.